Tieline Bridge-IT XTRA, Руководство пользователя

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164 Bridge-IT XTRA Manual
© Tieline Pty. Ltd. 2015
Algorithm Audio
Band-
w idth
Algor-
ithm ic
Delay IP bit rate
per channel IP over-
head per
connectio
n Audio Quality and
Features Recom m ended
applications for on-air
use
PCM/Linear
(Uncom-
pressed) 16/24 bit
up to
24kHz 0ms sample rate x
bits per
sample x no.
channels 80kbps
·
Full bandw idth,
perfect audio
quality for voice
and music
· No error
concealment/
correction or
artefacts
·
Extremely high quality
uncompressed audio
for STLs and audio
distribution.
· Ideal for fiber or high
bandw idth links.
Tieline Music Up to
15kHz 20ms 24 kbps
minimum 16kbps · High quality voice
and music
· Very low delay
at low bit rates
· Great for live voice or
music remotes as w ell
as STLs and audio
distribution w ith limited
connection bandw idth
(e.g. 3G w ireless)
· Suitable w hen
bidirectional
communication
betw een announcers
is required
Tieline Music-
PLUS Up to
22kHz 20ms 48 kbps
minimum
(Optimised
for 64kbps
per audio
channel) 16kbps · Very high quality
voice and music
· Very low delay
at low to
moderate bit-
rates
· Very high quality, very
low delay STLs and
audio distribution
·
Remote connections
able to achieve
48kbps for each audio
channel
· Suitable w hen
bidirectional
communication
betw een announcers
is required
G.711 3kHz 1ms 64kbps
minimum 80kbps · Low quality 3kHz
POTS phone
quality audio
·
Very low delay
at moderate bit
rates
· Highly compatible w ith
other brands of audio
codec
·
Low quality and used
generally for
compatibility
G.722 7kHz 1ms 64kbps
minimum 80kbps · Good quality
7kHz voice
·
Better quality
than a standard
POTS phone call
· Very low delay
at moderate bit
rates
· Highly compatible w ith
other brands of audio
codec
·
Good voice quality
audio for remotes and
other voice quality
applications
MPEG Layer 2 Up to
22kHz 24 to
36ms 64kbps
minimum 8.5 -
13.3kbps
·
Very high quality
voice and music
· Low to moderate
delay at
moderate to high
bit rates
·
Highly compatible w ith
other brands of audio
codec
· Very high quality audio
for remotes, STLs and
audio distribution
LC-AAC Up to
15kHz 64ms 64kbps 15kbps
·
High quality voice
and music at
low est bit rate;
better quality at
higher bit rates
·
Moderate delay
at moderate to
high bit rates
·
Voice or music
remotes as w ell as
STLs and audio
distribution w here
some delay is tolerable
·
Tieline Music or
MusicPLUS deliver
low er delay